How To Fix /IWFND/CM_SUBSCR011 - Filter &1 not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_SUBSCR -

• Message number: 011

• Message text: Filter &1 not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_SUBSCR011 - Filter &1 not supported ?

  The SAP error message /IWFND/CM_SUBSCR011 Filter &1 not supported typically occurs in the context of SAP Gateway and OData services. This error indicates that a filter specified in the OData request is not supported by the service or the underlying data model.
  Cause:
  
  Unsupported Filter: The filter specified in the OData query is not supported by the service. This could be due to the filter being applied to a field that does not exist or is not exposed in the OData service.
  Service Configuration: The OData service may not be configured to handle certain types of filters or may not have the necessary annotations to support them.
  Data Model Limitations: The underlying data model may not support the filter operation being requested, either due to the structure of the data or the way the service is implemented.
  
  Solution:
  
  Check the OData Service: Review the OData service definition and ensure that the filter being applied is valid. You can do this by checking the metadata of the service (usually accessible via the service URL with $metadata).
  Modify the Filter: If the filter is indeed unsupported, modify the OData request to use a supported filter. This may involve changing the field being filtered or the type of filter operation being used.
  Update Service Implementation: If you have control over the OData service implementation, consider updating it to support the required filters. This may involve adding annotations or modifying the underlying data model.
  Check for Annotations: Ensure that the necessary annotations are present in the service definition to support the filters you want to use. This may include annotations for filtering, sorting, and other operations.
  Consult Documentation: Refer to SAP documentation for the specific OData service you are using to understand its capabilities and limitations regarding filtering.
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is responsible for enabling the connection between SAP systems and external applications via OData services. Understanding how it works can help in troubleshooting issues.
  OData Protocol: Familiarize yourself with the OData protocol and its capabilities, especially regarding filtering, to better understand how to construct valid requests.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific OData service you are using. There may be patches or updates that address the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or consulting with a developer who has experience with SAP Gateway and OData services.